Makita HR4030C Technical Information page 6

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[3] DISASSEMBLY/ASSEMBLY
[3] -3. Cylinder Section
DISASSEMBLING
1) Remove Tool holder and Barrel complete from the machine, and take out Cylinder section from Crank housing complete.
(Figs. 4, 5, 6 in page 4)
2) Disassemble Cylinder B from Cylinder section as illustrated in Fig. 9 to Fig. 14.
Note: When removing Pin 6, it is recommended to use a screwdriver magnetized with 1R288 in advance.
Fig. 9
Remove Key 4 (2 pcs) from
Cylinder B using pliers.
Cylinder section
Cylinder A
Cylinder B
Key 4 (2 pcs)
Fig. 12
Remove Ring 34 and Slide sleeve.
Ring 34
Slide sleeve
Fig. 10
1R311
Ring spring 32
Cylinder B
Flat washer 34
Fig. 13
Disassemble Cylinder B from Cylinder A
by removing Pin 6 (4 pcs).
Cylinder A
Put Cylinder section
on work bench with
Cylinder B side up.
Then remove Ring
spring 32 using 1R311
while pressing down
Flat washer 34.
Fig. 14
Cylinder B
Pin 6 (4 pcs)
Fig. 11
Remove Flat washer 34 and
Compression spring 35.
Flat washer 34
Compression
spring 35
Push out Striker from Cylinder B.
Remove O ring 22 from Striker.
Striker
O ring 22
P 6 /13

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